def test_dst_net_packet_duplicate(self, device_option, dst_host_option,
transmitter, pingparser, option, value):
if typepy.is_null_string(dst_host_option):
pytest.skip("destination host is null")
for tc_target in [device_option, "--device {}".format(device_option)]:
execute_tcdel(tc_target)
transmitter.destination_host = dst_host_option
# w/o packet duplicate tc ---
ping_result = transmitter.ping()
assert ping_result.returncode == 0
without_tc_duplicate_rate = pingparser.parse(
ping_result).packet_duplicate_rate
# w/ packet duplicate tc ---
runner_helper(" ".join(
[Tc.Command.TCSET, tc_target, "{:s} {}".format(option,
value)]))
ping_result = transmitter.ping()
assert ping_result.returncode == 0
with_tc_duplicate_rate = pingparser.parse(
ping_result).packet_duplicate_rate
# assertion ---
duplicate_rate_diff = with_tc_duplicate_rate - without_tc_duplicate_rate
assert duplicate_rate_diff > (convert_rate_to_f(value) *
ASSERT_MARGIN)
# finalize ---
execute_tcdel(tc_target)
def test_exception(self, value, expected):
with pytest.raises(expected):
convert_rate_to_f(value)
def test_normal(self, value, expected):
assert convert_rate_to_f(value) == expected